Antibacterial activity of propolis-based toothpastes for endodontic treatment - Victorino, Fausto Rodrigo; Bramante, Clovis Monteiro; Watanabe, Evandro; Ito, Izabel Yoko; Franco, Selma Luci; Hidalgo, Mirian Marubayashi (Brazilian Journal of Pharmaceutical Sciences, 2009)